Risk of severe COVID established early in infection, new study shows
COVID-19 warnings were on Twitter well before the outbreak of the pandemic
25 January 2021Ideal surgical results less likely if cancer patients live in vulnerable communities
25 January 2021Risk of severe COVID established early in infection, new study shows
Why most people who get COVID have mild symptoms or none at all while some become severely ill is still a mystery—a mystery that scientists are urgently trying to solve.
